Bieber fronts charity advert

GOING HIS OWN WAY: Justin Bieber has split from girlfriend of two years, Selena Gomez.

Justin Bieber is continuing to lend his star power to Auckland's Starship Children's Hospital by fronting a commercial promoting the release of a fundraising Christmas CD.

Bieber, who raised almost $10,000 for the hospital last Christmas by asking fans to donate to the Starship Foundation and giving a dollar from every Christmas album he sold, shot footage for the ad when he visited earlier this year.

While Bieber's hospital visit was supposed to be top secret, news spread quickly across the twittersphere and hordes of fans crowded the hospital when he was filming.

Music industry veteran Paul Ellis, who worked with Bieber's music label to make the appearance happen, said the pop star was a "delight to work with".

Ellis said having Bieber, who has sold over 15 million albums, involved in the fundraising appeal both on-screen and on the microphone was "truly incredible".